EP 1204127 A3 20041124 - Mechanical and gate for interlocking electric power switches and distibution system incorporating same
Title (en)
Mechanical and gate for interlocking electric power switches and distibution system incorporating same
Title (de)
Mechnanisches "UND" Gatter für die Verriegelung von elektrischen Lastschaltern und damit versehenes Verteilsystem
Title (fr)
Porte "ET" mécanique pour l'interverrouillage de disjoncteurs électriques et système de distribution comprenant une telle porte
Publication
Application
Priority
US 70554800 A 20001103
Abstract (en)
[origin: EP1204127A2] A mechanical AND gate (39) has a pivot plate (41) with an elongated slot (43) engaged by an output coupling (53) formed by a pair of pins (57) radially offset from the end of an output shaft (51). A pair of input couplings (45a,45b) secured to the pivot plate (41) at points laterally offset on opposite sides of the elongated slot (43) couple first and second elongated actuators (7712-7732) to the pivot plate (41). Movement of only one of the elongated actuators (7712-7732) to an ON position causes the pivot plate (41) to translate relative to the output coupling (53), but not to rotate. However, when the second actuator (7712-7732) is moved to an ON position in a direction parallel but opposite to the movement of the first actuator (7712-7732), the pivot plate (41) rotates to rotate the output coupling (53), and therefore, the output shaft (51). This mechanical AND gate (39) has particular application to interlocking three electric power switches (71-72) such as circuit breakers so that any two, but not all three, circuit breakers (71-72) may be on at one time. <IMAGE>
IPC 1-7
IPC 8 full level
H01H 9/26 (2006.01)
CPC (source: EP US)
H01H 9/262 (2013.01 - EP US); H01H 2009/267 (2013.01 - EP US)
Citation (search report)
- [A] EP 0853324 A2 19980715 - SACE SPA [IT]
- [A] DE 19508808 C1 19960919 - SIEMENS AG [DE]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1204127 A2 20020508; EP 1204127 A3 20041124; AU 776940 B2 20040930; AU 8724701 A 20020509; BR 0105715 A 20020702; CA 2360905 A1 20020503; CA 2360905 C 20100914; MX PA01011140 A 20040521; US 6388214 B1 20020514
DOCDB simple family (application)
EP 01126251 A 20011105; AU 8724701 A 20011030; BR 0105715 A 20011101; CA 2360905 A 20011101; MX PA01011140 A 20011101; US 70554800 A 20001103